Ex 14.3, 3 - Check whether the pair of statements is negation - Ex 14.3

  1. Chapter 14 Class 11 Mathematical Reasoning
  2. Serial order wise
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Ex 14.3, 3 Check whether the following pair of statements is negation of each other. Give reasons for the answer. x + y = y + x is true for every real numbers x and y. There exists real number x and y for which x + y = y + x. The negation of first statement is There exists real numbers x & y for which x + y y + x Which is not equal to second statement. Hence given statement is false

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